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Journal of Electronic Imaging

Efficient allocation of packet-level forward error correction in video streaming over the Internet
Author(s): Yufei Yuan; Bruce Cockburn; Thomas Sikora; Mrinal K. Mandal
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Paper Abstract

Forward error correction (FEC) improves the quality of compressed video transmitted through a lossy network for real-time applications such as video streaming. The FEC techniques are generally applied on source video packets at the frame level. In this paper, we propose a technique where the FEC is applied on source packets at the group-of-pictures (GoP) level assuming an MPEG-like compression scheme. We derive analytically an estimate of the average playable frame rate for a given packet loss probability. Our analysis over a range of network conditions indicates that in most practical network conditions, the proposed technique provides a larger playable frame rate compared to the frame-level FEC technique. This analysis results are also validated by video streaming simulations conducted on the NS-2 network simulator.

Paper Details

Date Published: 1 April 2007
PDF: 12 pages
J. Electron. Imaging. 16(2) 023012 doi: 10.1117/1.2732386
Published in: Journal of Electronic Imaging Volume 16, Issue 2
Show Author Affiliations
Yufei Yuan, Univ. of Alberta (Canada)
Bruce Cockburn, Univ. of Alberta (Canada)
Thomas Sikora, Technische Univ. Berlin (Germany)
Mrinal K. Mandal, Univ. of Alberta (Canada)

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